that worldwide outrage over that abduction. The terrorist group that kidnapped over 300 girls now threatening to sell them. ABC's Martha Raddatz has the latest and joins us this morning from Washington. Good morning, Martha. Reporter: Good morning, robin. This morning, the wave of outrage is growing with social media spreading the word. But every day that passes, it will become more difficult to find the girls. These are believed to be the names released by a Christian group, of the some 300 girls abducted from their boarding school at bedtime. And this is the man behind it. The leader of the terrorist group boko harm. Sneering, taunting. I will sell them in the market. These girls are among some 50 that managed to escape in the chaos. One girl describing how she jumped from the truck and ran. Reporter Alexis okeowo spoke to another girl who escaped. They described the night of the kidnapping. When the men start shooting their guns in the air, and they start yelling, god is great, in arabic, the girls start realizing, we're not in the military anymore. We're with boko harm. Reporter: Boko harm means western education is a sin. They are responsible for many massacres. Earlier this year, slaughtering 50 teenage schoolboys. Like the girls, just wanting an education. Officials say it is likely that some of the girls have already been shipped across the border into neighboring countries of Niger and Chad, and sold into marriage. We're going to do everything we can to assist Nigeria in their efforts to find and free those young women. Those girls. Reporter: And the hash tag #bringbackourgirls, has been used over 1 million times, with celebrities spreading the word. And Malala, the young Pakistani girl shot by the Taliban, adding her voice, as well. As of this hour, the Nigerians, despite a vow to find the girls, have not asked the U.S. For help. At the very least, we could provide intelligence and satellite imagery. Robin? Do whatever we can. Everyone. And this has been for weeks, now, people have been talking about this. And finally, finally -- So scary the girls might have been disbersed. We have to stay on this.

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